Biology - Human Body Systems - Respiratory system - Breathing Challenge

Interactive breathing awareness questions. Q1: 'How many breaths do you take per day?' (About 20,000 / About 100 / About 1 million). Q2: 'Can you hold your breath for 2 minutes?' (Most people can't! / Easily! / Only underwater). Q3: 'What gas do you breathe IN that your body needs?' (Oxygen / Carbon